SYLLABUS FOR THE EXAMINATION FOR SECOND CLASS MANAGER'S CERTIFICATE OF COMPETENCY
RESTRICTED TO COAL MINES HAVING OPENCAST WORKING ONLY
(UNDER COAL MINES REGULATIONS, 2017)

MINING MACHINERY

• Strength of materials; Applied mechanics; Fluid mechanics.

• Theory of Machines: Machine design, different types of gears and drives, bearing, collars and joints, brakes and friction clutches, governors.

• Heat engines: General outline of working principles of steam generators and auxiliary equipment, condensing plant, reciprocating steam engines, turbines, internal combustion engines, conduct of gas, oil, and steam engine trial; mechanical efficiency of engines, measurement of indicated and brake horsepower.

• Machine tools and workshop processes

• Material handling equipment in mines: Types, construction and operation; safety devices; maintenance and calculations for rope haulages; locomotives (tractive effort, draw bar pull, ideal gradient), conveyors, systems (belt conveyor, chain conveyor, cable belt conveyor, high angle conveyor, shiftable belt conveyor, pipe conveyor); scraper winches, aerial rope-ways, communication equipment, in-pit crushers, feeder breaker etc., EOT cranes (electric overhead travel) and other cranes, hydraulic lifter, tyre handler, track design and layout, super elevation; track fitting and safety appliances, self-acting inclines, coal handling plants; rail wagon loading plants, laying of water mains, dealing with acid water, drainage; lodgements.

• Opencast machinery (electric and hydraulic): Constructions, function, and operation of blast hole drills, rippers, scrapers, shovels; draglines, dumpers, road graders, dozers, wheel loaders; spreaders; surface continuous miners, rock breakers and their maintenance aspects, water-trucks, In-pit crushing conveying (IPCC), Bucket wheel excavator.

• Mine electrical engineering: Transmission and distribution of electrical power in mines; radial and ring main feeders; sub-station arrangements; short transmission lines; cables; switch gears and protective devices; protective relays; circuit breakers; gate-end box; drill panel; field switch; transwitch; symmetrical fault and circuit breaker rating; mine signaling; power economics, industrial tariffs; power factor improvement; electrical drives and semiconductor controllers; selection of motors and starters; semiconductor devices; principles of operation of thyristor controlled variable speed electrical drives; electrical breaking; earthing; use of high voltage operational equipment in mines.

• Generation, transmission and utilization of power, steam, electricity, and compressed air in mines; safety aspects.

• Automation in mines: Armchair mining (tele-operations of mining equipment).

• Preventive, periodical and total maintenance systems in mines.